ak7712a-vt AKM Semiconductor, Inc., ak7712a-vt Datasheet - Page 30

• Manufacturer Part Number: ak7712a-vt
• Description: Built-in 20-bit Adc/dac Sophisticated Audio Dsp
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
0180-E-02
,OP,
,OP,
,OP,CR
,OP,CR
,OP,CR
,OP,CR
,OP,CR
,OP,
,OP,
,PP,
,OP,
,PP,
,
,
DR ,
DR ,
DR ,IDR0=SDLF <<
DR ,IDR1=SH0 <<
DR ,IDR0=SHR6 + LDR0
This 34-bit data is shifted 15 bits to right and then is added to the upper data.
,IDR0=BHRF + LDR0
,IDR1=BDRF + LDR1
,IDR2=SHR6 <<
,IDR0=SH0 + LDR0
,
<Example of Calculation Program(45
,CPU,DU1,,
,
,
,CPU,
,
,
,
,
,
,
,
,
,
,
,DU1,,
,DD1,,
,
,
,
,
,
,
- 30 -
,,
,,
,,
,,
,,
,,ODR2 ,;
,,
,,ODRB ,;DR1: upper 24 bits data
,,
,;
,;YL
,;YL
,;
,;
,;ODRB: lower 24 bits data
,;YH
,;YH
,;Read of Coefficient(MSB) and Data(MSB)
,;YH
31-bit)>
XL(shifted 21 to right)
XH
XH,Read of Data(LSB)
XL(shifted 6bit to right)
XH,Read of Coefficient(LSB)
[AK7712A-VT]
1997/12